From: Overall intact cognitive function in male X-linked adrenoleukodystrophy adults with normal MRI
 | Number of patients (%) or median (range) | Number of Dutch male population (%) or median (range)a |
---|---|---|
N (Total) | 33 | 5,446,000 |
Age in years | 44 (19–71) | (15–100) |
Education | ||
 1: < Primary education | 0 (0) | 0 (0) |
 2: Primary education | 0 (0) | 464,000 (8.5) |
 3: < Lower vocational education | 1 (3) | 302,000 (5.5) |
 4. Lower vocational education | 2 (6.1) | 1,290,500 (23.7) |
 5. Secondary vocational education | 14 (42.4) | 1,272,500 (23.4) |
 6. (higher) Secondary education or university of applied sciences | 14 (42.4) | 1,507,000 (27.7) |
 7. University bachelor or masters degree. | 2 (6.1) | 610,000 (11.2) |
MRI | ||
 Normal MRI (no lesions) | 15 (45.5) |  |
 MRI with ALD lesions | 4 (12.1) |  |
 MRI with vascular lesions | 12 (36.4) |  |
 MRI with other lesions | 2 (6.1) |  |